/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package servlet;

import entity.Utente;
import facade.UtenteFacadeLocal;
import java.io.IOException;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author giosk
 */
public class loginServlet extends HttpServlet {

    @EJB
    private UtenteFacadeLocal userFacade;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String pwd = request.getParameter("pwd");
        String log = request.getParameter("username");
        //pojo
        Utente g = new Utente();
        g.setLogin(log);
        g.setPwd(pwd);
        try {
            List<Utente> listaUtenti = userFacade.findAll();
            int i=0;
            Utente a = null;
            while( i<listaUtenti.size() && !log.equals(listaUtenti.get(i).getLogin())){
                i++;
            }
            a = listaUtenti.get(i);
            if( g.getPwd().equals(a.getPwd()) ){
                HttpSession session = request.getSession();
                session.setAttribute("username", log);
                session.setAttribute("user_id", a.getId());
                session.setMaxInactiveInterval(600);
                session.setAttribute("regali", a.getLista());
            }
        } catch (NullPointerException e) {
        } finally {
            RequestDispatcher rq = request.getRequestDispatcher("/account.jsp");
            rq.forward(request, response);
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
